If no URL parameter is provided the form just chooses the first MailChimp list
available (which is fine as long as you have just one list anyway).

Preselect Interest Groups

collective.mailchimp supports MailChimp’s interest groups. In case there is more than one single group you might want to pre-select some of the groups. To
do so add one or more ‘preselect_group’ parameters to the URL that points to
your MailChimp newsletter form. For instance to select the first and the fifth
group entry use the following link:

1.3.0 (2013-03-03)

1.2.1 (2013-02-13)

1.2.0 (2013-02-13)

Make newsletter view not fail if no default_list has been selected.
[timo]

German translation updated.
[timo]

Styles for newsletter subscription form added.
[timo]

1.1.1 (2013-02-01)

Fix mailchimp control panel which fails if no valid MailChimp API key has
been provided.
[timo]

1.1.0 (2013-01-23)

Dutch translation added.
[sjoerdve]

Make NewsletterForm extendable.
[timo]

Use MailChimp list settings from the control panel. Note: You have to
reinstall collective.mailchimp, otherwise you will end up with a
“KeyError: ‘Interface .. defines a field .., for which there is no record.’”
[timo]

Support for MailChimp interest groups added. For now this feature only works
with one single list.
[timo]